Title:
Filter construction
Document Type and Number:
United States Patent 2479722
Inventors:
Brixius, Jacob K.
Plaque It!
Sponsored by: Flash of Genius |
Publication Date:
08/23/1949
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Referenced by:
Export Citation:
Assignee:
AIR MAZE CORP
Primary Class:
Other Classes:
55/501
International Classes:
B01D46/52
US Patent References: